Here is the full list of all 22 Polandball: Can into Space! achievements.
Collide with SERBIABALL 20 times.
Get atttracted by RUSSIABALL, CHINABALL and CANADABALL
Reach the third checkpoint.
Do a full 360 spin in one flight.
Collide with JAPANBALL 20 times.
5 deaths on earth.
Have negative money (debt).
Trigger two magnets in less that 7 seconds from each other.
Die for the first time.
First launch.
All attributes to maximum.
Rocket fully upgraded.
50 deaths in air.
Finish the game and witness the amazing end-game cinematic.
Obtain 100 coins from GERMANYBALL in one round.
Die when close to the Moon.
Reach the half checkpoint.
Reach the last checkpoint.
Collide 50 times with any balls in one flight.
Use 100 brakes in one flight.
Touch every countryball existing in the game.
Consecutively touch one countryball 10 times.